Home / 3,036.80-4,193.16-2,043.20

Finding the Fourth Proportional to 3,036.80, 4,193.16 and 2,043.20

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Solution

The fourth proportional to 3,036.80, 4,193.16 and 2,043.20 is: 2,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.80 : 4,193.16 = 2,043.20 : x
  2. Step 2: Convert to fraction form
    3,036.80/4,193.16 = 2,043.20/x
  3. Step 3: Cross multiply
    3,036.80x = 4,193.16 × 2,043.20
  4. Step 4: Simplify right side
    3,036.80x = 8,567,464.51
  5. Step 5: Solve for x
    x = 8,567,464.51/3,036.80
  6. Step 6: Final answer
    x = 2,821.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.